Make questions with “to have to“. Sample:

1. An exchange student ... to win a competition.
Does an exchange student have to win a competition?
2. Students from different countries ... to live in America.
3. Exchange students ... to speak English better.
4. Exchange students ... to get scholarship.
5. An exchange student ... to know English well.
6. We all ... to respect teachers and students.
7. They ... to learn different customs and traditions.